/* 头部样式 */
.big.header{
    width: 100%;
    height: 80px;
    background: #fff;
   
}
.header{
    width: 1263px;
    height: 80px;
    padding: 0 31px;
    margin: 0 auto;
    /* background: pink; */
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.tbimg{

    width: 105px;
    height: 68px;
    vertical-align: middle;
    
}
.nav{
    width: 613px;
    height: 80px;
    display: flex;
    justify-content:space-between ;
    align-items: center;
}
.nav>li:nth-of-type(1),.nav>li:nth-of-type(2),.nav>li:nth-of-type(3),.nav>li:nth-of-type(4){
    width: 92px;
    height: 80px;
    text-align: center;
    line-height: 80px;
}
.nav>li:nth-of-type(5),.nav>li:nth-of-type(6){
    width: 124px;
    height: 80px;
    text-align: center;
    line-height: 80px;
}
.nav>li a{
    display: inline-block;
    font-size: 16px;
    color: #000;
}
.nav>li:hover .nav_a{
    color: #e60012;
}
.tbif{
    width: 90px;
    height: 80px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    line-height: 80px;
}
.tbif a{
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right:22px; 
    width: 20px;
    height: 80px;
}
.search-btn{ 
    width: 20px;
}

.tbrit_a{
    font-size: 14px;
    color: #000;
}
.tbrit_a1:hover{
    color: #e60012;
}
.tbrit_a2:hover{
    color: #e60012;
}
/* 产品下面的二级菜单 */
.nav .nav_li{
    position: relative;
}
.bignav2{
    background: rgba(255, 255, 255, 0.97);
    position: absolute;
    top: 62px;
    left: -228px;
    z-index: 1000;
    display: none;
}
.nav2_product_ul{
    width: 1263px;
    /* height: 270px; */
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.nav2_product_ul a{
    color: #000;
}
.nav2_product_ul .nav2_product_li{
    width: 280px;
    height: 270px;
    background: #fff;
    text-align: center;
    font-size: 16px;
    margin-top: 30px;
    margin-bottom: 30px;
    padding-top: 30px;
    box-sizing: border-box;
    transition: all 0.2s;
}
.nav2_product_ul .nav2_product_li>img{
    display: block;
    width: 200px;
    height: 150px;
    margin: 0 auto; 
}

.nav_li:hover .bignav2 {
   display: block;  
}
.nav_li:hover .tu_product{
    transform: scale(0.9);
    /* transition: all 0.5s ease-out; */
}
/* 商城下拉菜单 */
.nav_lisc{
    position: relative;
}
.bignavsp{
    width: 1263px;
    /* height: 60px; */
    background: rgba(255, 255, 255, 0.97);
    position: absolute;
    top: 80px;
    left: -503px;
    z-index: 1000;
    display: none;
}

.nav2_shop_ul{
    width: 1263px;
    height: 60px;
    margin: 0 auto;
    padding-left: 30%;
    padding-right: 20%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.nav2_shop_li{
    margin-left: 30px;  
}
.nav2_shop_li:hover  .nav2_shop_li a{
    color: red;
}
.nav2_shop_li a{
    font-size: 14px;
    color: #000;
}
.nav_lisc:hover .bignavsp{
    display: block;
    /* transition: all 5s; */
}

